Senior Software Engineer - Fullstack (Remote, North America)

Location: Remote (North America: US or Canada)

Salary Range: $180,000 - $210,000 USD

We are a high-growth technology company at the forefront of revolutionizing security and compliance for businesses worldwide. Our advanced platform is trusted by thousands of companies and is backed by top-tier venture capital firms. We are seeking a highly motivated and experienced Senior Software Engineer - Fullstack to join our impactful, highly collaborative team. Every member is critical in shaping our product and culture, and we offer substantial responsibilities that directly impact our continued growth. This is a fully remote position for candidates residing in the US or Canada.

What You'll Do:

About Octopus by RTG

Octopus by RTG is the tech hiring and outsourcing arm of Robusta Technology Group, dedicated to connecting exceptional tech talent with top-tier organizations across the MENA, GCC, Europe, the US, and Canada. We specialize in building strong, long-term partnerships between skilled professionals and innovative companies. Our mission is to empower growth, innovation, and excellence by matching the right talent with the right opportunities.

Currently, we are hiring a Senior Frontend Engineer for one of our partner organizations in KSA on a 1-year contract, offering the opportunity to contribute to exciting projects within a dynamic and forward-thinking environment.

Main Responsibilities

Development & Architecture

• Lead the development of high-performance, scalable web applications.
• Design and build reusable, modular, and high-quality React components.
• Architect and manage complex state management using Redux, Context API, Recoil, etc.
• Implement and manage API integrations (RESTful APIs, GraphQL).
• Optimize applications for speed, scalability, and performance (e.g., lazy loading, client-side rendering).
• Ensure cross-browser and cross-device compatibility.

Collaboration & Leadership

We are a fast-growing tech company with a portfolio of SaaS products serving diverse industries. Innovation, performance, and design precision are core to our values. As we scale, we are looking for talented Senior Fullstack Developers to join our team and take a key role in crafting highly performant, maintainable, and user-focused web applications.

Key Responsibilities
 

• Contribute to both backend (NestJS) and frontend (NextJS) systems by designing and building scalable, secure, and maintainable features, while leading architecture decisions across services, APIs, and cross-stack boundaries. 

• Champion clean code, modular design, and testability through active contribution, reusable components, and mentoring. 

• Drive system-level decisions around performance, observability, and scalability, and ensure alignment between product goals and technical implementation. 

• Own and enforce code quality via reviews, maintain CI/CD reliability, and collaborate closely with DevOps to ensure release stability and consistent environments. 

• Monitor and optimize system performance, define logging and alerting standards, and lead incident response and continuous improvement efforts. 

• Work closely with product, QA, and designers to unblock delivery, while mentoring engineers and fostering technical alignment across squads.

Requirements

Software Engineer (Backend/Fullstack)

Full-time | On-site

Location: San Francisco, CA

We are building a generative AI and Low-code customer support automation platform dedicated to bringing effortless customer and agent experiences to every company. We are seeking a Mid-level Software Engineer to take the lead in designing and scaling the core distributed systems that power our next-generation AI agents.

This is a hands-on, high-impact role for a fast-moving engineer who will drive architectural decisions and technical direction, working directly with the company founders. You will own the full feature lifecycle, from initial concept to high-scale production deployment.

What You'll Do:

Senior Software Engineer (Full Stack, Functional)

Full-time

Remote (US/NY Overlap Required)

We are an early-stage company building a comprehensive online community platform from first principles. We are looking for a highly autonomous Senior Software Engineer to be a foundational member of our engineering team, contributing significantly to product direction and building scalable systems.

As a Senior Software Engineer, you'll be a generalist responsible for the entire feature lifecycle, from scoping and architecture to production deployment and scaling. You will primarily work with TypeScript and functional programming patterns to create high-quality, maintainable code.

What you'll do:

Senior Software Engineer (Foundational Team)

Full-time | On-site

Location: Williamsburg, Brooklyn, NYC

We are a high-growth, AI-native platform redefining the infrastructure for the $600B digital advertising ecosystem. We seamlessly connect brands and creators, enabling performant, scalable, and authentic marketing through true word-of-mouth at scale. We are seeking a Senior Software Engineer to join us as a foundational member of the engineering team.

You will work directly with our founders to design, build, and launch new product features across the full stack. This role offers significant ownership and the opportunity to tackle complex, impactful engineering problems in a high-performance environment.

What You Will Do:

Senior Full Stack Software Engineer

Full-time | On-site

Location: San Francisco, CA

We are a high-growth AI company building the future of a core business function through a real-time conversational AI platform. Our platform serves both consumer-facing (the user experience) and enterprise-grade (data aggregation and analysis) software. We are looking for a Senior Full Stack Software Engineer to be a founding, hands-on builder in a small, passionate team.

As a hands-on engineer, you will own the development of high-impact features across our entire stack—from optimizing latency for real-time video conversations to building robust enterprise data analysis tools and integrations.

Key Responsibilities:

Full Stack Engineer (Founding Focus)

Full-time | On-site

Location: San Francisco, CA

We are a rapidly growing, founder-led AI platform transforming how key industries interact with critical government contract opportunities. We are seeking a highly motivated Full Stack Engineer to be the Founding Engineer responsible for building the core data pipeline and user-facing experience of our product. This role is ideal for an ambitious individual passionate about applying AI to solve mission-critical national security challenges.

This is a pivotal, high-impact role where you will own the end-to-end delivery of essential product features. You will be responsible for turning a massive volume of complex government data into actionable intelligence for our users.

Key Responsibilities:

Founding Engineer, Full Stack (Product-Minded)

Full-time | On-site

Location: San Francisco

We are building a unified platform that streamlines the use of large language models (LLMs) to build and deploy applications at scale. We are seeking a Founding Full Stack Engineer to own the entire application layer, driving developer productivity by providing a single pane of glass for data collection, model evaluation, training, and deployment.

As a Founding Engineer, you will be a product-minded generalist responsible for the entire feature lifecycle. You'll primarily focus on the backend systems that interface with our core machine learning (ML) stack, ensuring a scalable and reliable platform for our customers.

What You'll Do:

Engineering Manager

Full-time | On-site

Location: New York City or San Francisco

We are a rapidly growing AI platform leveraging real-time data ingestion, comprehension, and summarization across text, audio, and video to provide actionable insights for communications. We are seeking a dynamic Engineering Manager to build, lead, and scale our core engineering team as we accelerate growth and serve enterprise-grade customers.

The Engineering Manager will be responsible for both technical strategy and people leadership, ensuring the team operates with urgency, rigor, and a focus on long-term scalability. This role requires a balance of hands-on technical work, mentorship, and cross-functional product collaboration.

What You Will Do: